ss5_ble_scan.py

import asyncio
from bleak import BleakScanner

service_uuid = "0000fd81-0000-1000-8000-00805f9b34fb"


async def main():
    devices = await BleakScanner.discover(
        return_adv=True,
        service_uuids=[service_uuid],
    )

    for device, ad in devices.values():
        m_data = ad.manufacturer_data.get(0x055A)
        if m_data is None:
            raise RuntimeError("Manufacturer data for device not found.")
        print("-- Manufacturer data --")
        print(m_data)